急求嗷~~~help me ORZ高中概率填空题已知直线l: x+2y-3=0,从集合{1,2,3,4,5,6,7,8}中任取3个元素分别作为圆方程(x-a)^2+(y-b)^2=r^2中的a,b,r,求所得的圆心与原点练成的直线垂直于l的概率为________求各位大
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/08 19:15:54
xSMSP+Y>JRdp?N])C]tDD@hOVGcc{a_MNIǹܓ4iV/gffҙ>-xF6kyyGsndAi:I<%.EՏ"H!3mCe%BC۠A==Er?B4ȍJ$IA*f7s,Cy篸=T>-L7w^=
S_my @-5jNm$Vdsk:{n>pv${aY1|mw=N-%f2Z
iXۮ"ɠK.0(af%"I@&R0%` F |O#ME֩RyfSS}^[o2nOt@{5Ϊ'^EEOSdvù8c
j_%y dWJ5RSS,F^uwнʒLaQ?d#w6{
⓷9a|B c;^V/čcdkO#Hqfq"^;ܦJںׇƻ*/O%'VprA"ӣ}~ $J
急求嗷~~~help me ORZ高中概率填空题已知直线l: x+2y-3=0,从集合{1,2,3,4,5,6,7,8}中任取3个元素分别作为圆方程(x-a)^2+(y-b)^2=r^2中的a,b,r,求所得的圆心与原点练成的直线垂直于l的概率为________求各位大
高中英语语法哪本最好?我需要,help me!
help help help me
help!help!help me
help me help me
help me!help me!
help me,help me
help me help me
help me!help me!
help me,help me
help me help me
一题高中数学题(only one……please help help me.)救人一命胜造七级浮屠!
Orz...
Orz
ORZ
Help me Help me Help me!
help me!
help me